In Bihar, there is no trace of 15 employees of a private construction agency kidnapped by Maoists in Jamui district. A supervisor of the construction company, who was also taken hostage by the ultras, was however, released.AIR Patna correspondent reports that five companies of security forces including STF, BSF, CRPF and district police have been pressed into service to rescue the abducted employees.Maoists kidnapped employees of a private construction company near Balthar Ghat in Jamui on Monday night.The Inspector General of Police A K Ambedkar told AIR News that the forest area spread into Giridih district in Jharkhand and the abducted employees might now be in the state.In view of this the Jharkhand police have also been alerted. Meanwhile, the police have stepped up search operations in Chakrapathar forest area of the district with sniffer dogs to trace their retreat route into Jharkhand.